may preoccupy
Regular verb: preoccupy - preoccupied- preoccupied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may preoccupy
you may preoccupy
he may preoccupy
we may preoccupy
you may preoccupy
they may preoccupy 	I may be preoccupying
you may be preoccupying
he may be preoccupying
we may be preoccupying
you may be preoccupying
they may be preoccupying	I may have preoccupied
you may have preoccupied
he may have preoccupied
we may have preoccupied
you may have preoccupied
they may have preoccupied	I may have been preoccupying
you may have been preoccupying
he may have been preoccupying
we may have been preoccupying
you may have been preoccupying
they may have been preoccupying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't preoccupy
you mayn't preoccupy
he mayn't preoccupy
we mayn't preoccupy
you mayn't preoccupy
they mayn't preoccupy 	I mayn't be preoccupying
you mayn't be preoccupying
he mayn't be preoccupying
we mayn't be preoccupying
you mayn't be preoccupying
they mayn't be preoccupying	I mayn't have preoccupied
you mayn't have preoccupied
he mayn't have preoccupied
we mayn't have preoccupied
you mayn't have preoccupied
they mayn't have preoccupied	I mayn't have been preoccupying
you mayn't have been preoccupying
he mayn't have been preoccupying
we mayn't have been preoccupying
you mayn't have been preoccupying
they mayn't have been preoccupying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I preoccupy?
may you preoccupy?
may he preoccupy?
may we preoccupy?
may you preoccupy?
may they preoccupy? 	may I be preoccupying?
may you be preoccupying?
may he be preoccupying?
may we be preoccupying?
may you be preoccupying?
may they be preoccupying? 	may I have preoccupied?
may you have preoccupied?
may he have preoccupied?
may we have preoccupied?
may you have preoccupied?
may they have preoccupied? 	may I have been preoccupying?
may you have been preoccupying?
may he have been preoccupying?
may we have been preoccupying?
may you have been preoccupying?
may they have been preoccupying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I preoccupy?
mayn't you preoccupy?
mayn't he preoccupy?
mayn't we preoccupy?
mayn't you preoccupy?
mayn't they preoccupy? 	mayn't I be preoccupying?
mayn't you be preoccupying?
mayn't he be preoccupying?
mayn't we be preoccupying?
mayn't you be preoccupying?
mayn't they be preoccupying? 	mayn't I have preoccupied?
mayn't you have preoccupied?
mayn't he have preoccupied?
mayn't we have preoccupied?
mayn't you have preoccupied?
mayn't they have preoccupied? 	mayn't I have been preoccupying?
mayn't you have been preoccupying?
mayn't he have been preoccupying?
mayn't we have been preoccupying?
mayn't you have been preoccupying?
mayn't they have been preoccupying?